The only external cam skewers I've ever used are Salsa, I still have my set I purchased in 1996. Other than that set (which is currently not in use) I only use Shimano skewers if I need skewers at all.
AngryAsian: Death To Crappy Quick-release Skewers - BikeRadar
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: Skewer Article